/Engine/Source/Editor/MeshPaint/Public/IMeshPainter.h
Functionality for rendering the interactor widget given its positional information and paint action
virtual void RenderInteractorWidget ( const FVector & InCameraOrigin, const FVector & InRayOrigin, const FVector & InRayDirection, [FPrimitiveDrawInterface](API\Runtime\Engine\FPrimitiveDrawInterface) * PDI, EMeshPaintAction PaintAction, bool bRenderVertices, ESceneDepthPriorityGroup DepthGroup )